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Current Ozone and Weather Data in National Parks


Theodore Roosevelt National Park - Visitor Center, ND
EPA AQS Site Number: 38-007-0002


Today's Data   Data Timelines   Ozone Health Advisory  
Ozone Wednesday July 26, 2017 
Hour Ending
(Local Time)
1-Hour Average
(parts per billion)
8-Hour Average
(parts per billion)
12 AM 38 34
1 AM 36 33
2 AM 33 34
3 AM 35 35
4 AM 33 37
5 AM 31 40
6 AM 33 42
7 AM 35 44
8 AM 35 47
9 AM 38 48
10 AM 46 50
11 AM 51 52
12 PM 52 53
1 PM 51 54
2 PM 51 53
3 PM 52 51
4 PM -- 49
5 PM -- 47
6 PM 58 45
7 PM 58 42
8 PM 56 38
9 PM 46 34
10 PM 40 31
11 PM 39 29
Weather and Ozone Data Wednesday July 26, 2017
Hour
Ending
(Local Time)
Ozone
(parts per
billion)
Wind
Speed
(meters per
second)
Wind
Direction
Temperature
(degrees C)
Relative
Humidity
(%)
Solar
Radiation
(watts per
meter
squared)
Rainfall
(millimeters)
12 AM 38 2.4 W 23.0 33 0 0.0
1 AM 36 3.5 W 21.4 38 0 0.0
2 AM 33 3.9 W 20.7 41 0 0.0
3 AM 35 4.4 W 20.5 44 0 0.0
4 AM 33 2.3 W 19.1 47 0 0.0
5 AM 31 2.8 W 17.7 54 0 0.0
6 AM 33 5.0 NW 18.4 53 10 0.0
7 AM 35 4.8 W 20.2 52 110 0.0
8 AM 35 5.6 NW 21.5 51 273 0.0
9 AM 38 5.0 NW 24.2 44 448 0.0
10 AM 46 3.4 N 26.8 36 622 0.0
11 AM 51 2.9 N 28.1 31 761 0.0
12 PM 52 2.1 N 29.2 28 857 0.0
1 PM 51 2.3 N 30.2 25 950 0.0
2 PM 51 2.2 N 31.3 23 882 0.0
3 PM 52 3.0 N 31.9 23 762 0.0
4 PM -- 3.4 N 33.1 22 770 0.0
5 PM -- 2.7 NW 31.6 24 270 0.0
6 PM 58 4.5 NW 30.5 26 162 0.0
7 PM 58 5.6 NW 29.6 28 118 0.0
8 PM 56 6.5 NW 28.7 30 99 0.0
9 PM 46 6.9 W 26.0 35 9 0.0
10 PM 40 8.2 W 23.8 40 0 0.0
11 PM 39 8.5 NW 22.5 43 0 0.0
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updated on 07/27/2017 7:44 PM  I   http://nature.nps.gov/air/data/current/data_THRO-VC2.cfm   I  Email: Webmaster